High Performance
81-G Series Butterfly Valve

Product Name:
81-W Series Butterfly Valve-Wafer Type


Specification:
● Size Range : DN50 – DN300
● Material : Ductile Iron
● Temperature: -20 ℉ to 220 ℉ (-29℃ to 104 ℃).
● Rating: Class 125
● Flow bore: full port.


Feature:
Suitable for use in mechanical rooms, process lines, water lines, and cold/hot water pipelines.
Available in Lever Handle and Gear Operator  Nickel plated ductile iron disc are available as standard feature. Optional BUNA-N or EPDM encapsulated with ductile iron disc for bubble tight shutoff.
Groove end designed to ANSI/AWWA C-606 Rigid Groove Specifications.
Groove End compatible with IPS pipe.
Concentric disc design
Two piece shaft design of the disc, increasing cycle life.
ISO 5211 mounting flange accommodates automation installations, including pneumatic and electric actuators.


Standard:
ANSI/AWWA C-606 Specifications.
Face to face according to MSS SP-67 Standards
Design according to API 609
Inspection & testing according to API 598.
PED 97/23/EC; ISO 9001

 

81-G  Series Butterfly Valve